那么这些细胞是如何分化并形成像根、茎、叶和果实那样不同的结构的呢？
How then can these cells differentiate and form structures as different as roots, stems, leaves, and fruits?
植物的祖先是进行光合作用的单细胞生物，由此产生的植物可能缺乏真正的根、茎、叶和复杂的生殖结构，如花朵。
The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flowers.
的茎，叶，叶柄进行了结构植物学研究，实验结果发现，生长在白城地区的两种植物，都演化出了不同形态的抗盐碱结构。
The results show that the plants living in Baicheng city evolve various saline-alkali resistant structure, and different plant can use different way for adapt same or similar ecosystem.
应用推荐